1.\" $NetBSD: hier.7,v 1.25 2000/06/04 08:38:08 itojun Exp $ 2.\" 3.\" Copyright (c) 1990, 1993, 1994 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by the University of 17.\" California, Berkeley and its contributors. 18.\" 4. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" @(#)hier.7 8.5 (Berkeley) 6/1/94 35.\" 36.Dd June 1, 1994 37.Dt HIER 7 38.Os 39.Sh NAME 40.Nm hier 41.Nd layout of filesystems 42.Sh DESCRIPTION 43An outline of the filesystem hierarchy. 44.Bl -tag -width "/altroot/" 45.It Sy \&/ 46root directory of the system 47.It Sy /COPYRIGHT 48system copyright notice 49.It Sy "/[a-z]" 50user filesystems 51.It Sy /altroot/ 52alternate root filesystem, in case of disaster 53.It Sy /amd/ 54home directories mount point; see 55.Xr amd 8 56.It Sy /bin/ 57utilities used in both single and multi-user environments 58.It Sy /dev/ 59block, character and other special device files 60.Pp 61.Bl -tag -width "MAKEDEV" -compact 62.It Sy MAKEDEV 63script for creating device files; 64see 65.Xr makedev 8 66.It Sy console 67the computer's console device 68.It Sy fd/ 69file descriptor files; 70see 71.Xr fd 4 72.It Sy drum 73system swap space; see 74.Xr drum 4 75.It Sy klog 76kernel logging device; see 77.Xr syslog 3 78.It Sy kmem 79kernel virtual memory device; see 80.Xr mem 4 81.It Sy log 82.Ux 83domain datagram log socket; see 84.Xr syslogd 8 85.It Sy mem 86kernel physical memory device; see 87.Xr mem 4 88.It Sy stderr 89.It Sy stdin 90.It Sy stdout 91file descriptor files; 92see 93.Xr fd 4 94.It Sy null 95the null device; see 96.Xr null 4 97.It Sy tty 98process' controlling terminal device; see 99.Xr tty 4 100.El 101.It Sy /dump/ 102online 103.Xr dump 8 104repository 105.It Sy /etc/ 106system configuration files and scripts 107.Pp 108.Bl -tag -width "master.passwd" -compact 109.It Sy amd* 110configuration files for 111.Xr amd 8 112.It Sy changelist 113files backed up by the security script 114.It Sy crontab 115schedule used by the 116.Xr cron 8 117daemon 118.It Sy csh.cshrc 119.It Sy csh.login 120.It Sy csh.logout 121system-wide scripts for 122.Xr csh 1 123.It Sy daily 124script run each day by 125.Xr cron 8 126.It Sy disklabels/ 127backup disklabels; 128see 129.Xr disklabel 8 130.It Sy disktab 131disk description file, see 132.Xr disktab 5 133.It Sy dm.conf 134dungeon master configuration; see 135.Xr dm.conf 5 136.It Sy dumpdates 137dump history; see 138.Xr dump 8 139.It Sy exports 140filesystem export information; see 141.Xr mountd 8 142.It Sy fstab 143filesystem information; see 144.Xr fstab 5 145and 146.Xr mount 8 147.It Sy ftpusers 148users denied 149.Xr ftp 1 150access; see 151.Xr ftpd 8 152.It Sy ftpwelcome 153.Xr ftp 1 154initial message; see 155.Xr ftpd 8 156.It Sy gettytab 157terminal configuration database; see 158.Xr gettytab 5 159.It Sy group 160group permissions file; see 161.Xr group 5 162.It Sy hosts 163host name database backup for 164.Xr named 8 ; 165see 166.Xr hosts 5 167.It Sy hosts.equiv 168trusted machines with equivalent user ID's 169.It Sy hosts.lpd 170trusted machines with printing privileges 171.It Sy inetd.conf 172Internet server configuration file; see 173.Xr inetd 8 174.It Sy kerberosIV/ 175configuration files for the kerberos version IV; 176see 177.Xr kerberos 1 178.It Sy localtime 179local timezone information; 180see 181.Xr ctime 3 182.It Sy mail/ 183configuration files for 184.Xr sendmail 8 185.Bp 186.Bl -tag -width "sendmail.*" -compact 187.It Sy aliases* 188name alias files 189.It Sy sendmail.* 190.Xr sendmail 8 191configuration information 192.El 193.It Sy mail.rc 194system-wide initialization script for 195.Xr mail 1 196.It Sy man.conf 197configuration file for 198.Xr man 1 ; 199see 200.Xr man.conf 5 201.It Sy master.passwd 202.It Sy passwd 203.It Sy pwd.db 204.It Sy spwd.db 205password files and their databases; see 206.Xr pwd_mkdb 8 207.It Sy mk.conf 208optional file containing 209.Xr make 1 210variables, read by pkgsrc and the system sources. 211.It Sy monthly 212script run each month by 213.Xr cron 8 214.It Sy motd 215system message of the day 216.It Sy mtree/ 217mtree configuration files; 218see 219.Xr mtree 8 220.It Sy named.* 221.It Sy namedb/ 222named configuration files and databases; 223see 224.Xr named 8 225.It Sy netgroup 226network groups; see 227.Xr netgroup 5 228.It Sy netstart 229network startup script 230.It Sy networks 231network name data base; see 232.Xr networks 5 233.It Sy phones 234remote host phone number data base; see 235.Xr phones 5 236.It Sy printcap 237system printer configuration; see 238.Xr printcap 5 239.It Sy protocols 240protocol name database; see 241.Xr protocols 5 242.It Sy rc 243.It Sy rc.shutdown 244.It Sy rc.local 245.It Sy rc.d/ 246system startup and shutdown scripts; see 247.Xr rc 8 248and 249.Xr rc.d 8 250.It Sy remote 251remote host description file; see 252.Xr remote 5 253.It Sy security 254daily (in)security script run by 255.Xr cron 8 256.It Sy services 257service name data base; see 258.Xr services 5 259.It Sy shells 260list of permitted shells; see 261.Xr shells 5 262.It Sy sliphome 263slip login/logout scripts; see 264.Xr slattach 8 265.It Sy syslog.conf 266.Xr syslogd 8 267configuration file; see 268.Xr syslog.conf 5 269.It Sy termcap 270terminal type database; see 271.Xr termcap 3 272.It Sy ttys 273terminal initialization information; see 274.Xr ttys 5 275.It Sy uucp/ 276UUCP configuration files; see 277.Xr uucp 1 278and 279.Xr uucico 8 . 280.It Sy weekly 281script run each week by 282.Xr cron 8 283.El 284.It Sy /home/ 285mount point for the automounter; see 286.Xr amd 8 287.It Sy /mnt/ 288empty directory commonly used by 289system administrators as a temporary mount point 290.It Sy /netbsd 291pure kernel executable (the operating system loaded into memory 292at boot time). 293.It Sy /root/ 294home directory for the super-user 295.Pp 296.Bl -tag -width ".profile" -compact 297.It Sy \&.rhosts 298super-user id mapping between machines 299.It Sy \&.cshrc 300super-user start-up file 301.It Sy \&.login 302super-user start-up file 303.It Sy \&.profile 304super-user start-up file 305.El 306.ne 1i 307.It Sy /sbin/ 308system programs and administration utilities 309used in both single-user and multi-user environments 310.It Sy /stand/ 311programs used in a standalone environment 312.It Sy /sys 313symbolic link to the operating system source 314.It Sy /tmp/ 315temporary files, usually a 316.Xr mfs 8 317memory-based filesystem (the contents 318of /tmp are usually NOT preserved across a system reboot) 319.It Sy /usr/ 320contains the majority of the system utilities and files 321.Pp 322.Bl -tag -width "libdata/" -compact 323.It Sy X11R6/ 324X11 files 325.Pp 326.Bl -tag -width "include/" -compact 327.It Sy bin/ 328X11 binaries 329.It Sy include/ 330X11 include files 331.It Sy lib/ 332X11 libraries 333.El 334.Pp 335.It Sy bin/ 336common utilities, programming tools, and applications 337.It Sy games/ 338the important stuff 339.It Sy include/ 340standard C include files 341.Pp 342.Bl -tag -width "kerberosIV/" -compact 343.It Sy arpa/ 344include files for Internet service protocols 345.It Sy g++/ 346include files for the C++ compiler 347.It Sy kerberosIV/ 348include files for kerberos authentication package; 349see 350.Xr kerberos 1 351.It Sy machine/ 352machine specific include files 353.It Sy net/ 354.It Sy netatalk/ 355C include files for AppleTalk protocols 356miscellaneous network include files; 357see 358.Xr atalk 4 359.It Sy netccitt/ 360CCITT networking include files 361.It Sy netinet/ 362include files for Internet standard protocols; see 363.Xr inet 4 364.It Sy netinet6/ 365include files for Internet protocol version 6; see 366.Xr inet6 4 367.It Sy netiso/ 368include files for ISO standard protocols; see 369.Xr iso 4 370.It Sy netkey/ 371include files for secret key management, used for security protocols; see 372.Xr ipsec 4 373.It Sy natm/ 374C include files for native mode ATM 375.It Sy netns/ 376C include files for XNS standard protocols; see 377.Xr ns 4 378.It Sy nfs/ 379C include files for NFS (Network File System) 380.It Sy protocols/ 381C include files for Berkeley service protocols 382.It Sy sys/ 383system C include files (kernel data structures) 384.It Sy ufs/ 385C include files for UFS (The U-word File System) 386.El 387.Pp 388.It Sy lib/ 389archive, profiled, position independant archive, and shared libraries 390.It Sy libdata/ 391miscellaneous utility data files 392.It Sy libexec/ 393system daemons & system utilities (executed by other programs) 394.Pp 395.Bl -tag -width "uucp/" -compact 396.It Sy uucp/ 397UUCP binaries and scripts (historically placed; to be moved) 398.El 399.Pp 400.It Sy local/ 401local executables, libraries, etc. 402.Pp 403.Bl -tag -width "include/" -compact 404.It Sy bin/ 405local binaries 406.It Sy include/ 407local include files 408.It Sy libexec/ 409local daemons 410.It Sy libdata/ 411local data files 412.El 413.Pp 414.It Sy mdec/ 415boot blocks, etc. 416.It Sy pkg/ 417packages maintained by groups other than the 418.Nx 419Project. 420.Pp 421.Bl -tag -width "include/" -compact 422.It Sy bin/ 423contributed binaries 424.It Sy sbin/ 425contributed system utilities 426.It Sy include/ 427contributed include files 428.It Sy libexec/ 429contributed daemons 430.It Sy libdata/ 431contributed data files 432.El 433.Pp 434.It Sy pkgsrc/ 435build descriptions ("packages") for the 436.Nx 437packages system. 438.Pp 439.Bl -tag -width "distfiles" -compact 440.It Sy distfiles 441Where unchanged source archives are fetched to/stored 442.It Sy packages 443Where compiled binary packages are stored 444.El 445.Pp 446There are also several other subdirectories which contain packages of 447a certain category, e.g. archivers, graphics, ... 448.Pp 449.It Sy obj/ 450architecture-specific target tree produced by building the 451.Pa /usr/src 452tree; normally a symbolic link or mounted filesystem 453.It Sy sbin/ 454system daemons and system utilities (normally executed by the super-user) 455.It Sy share/ 456architecture-independent text files 457.Pp 458.Bl -tag -width "calendar/" -compact 459.It Sy calendar/ 460a variety of calendar files; see 461.Xr calendar 1 462.It Sy dict/ 463word lists; 464see 465.Xr look 1 466and 467.Xr spell 1 468.Pp 469.Bl -tag -width "special/" -compact 470.It Sy words 471common words 472.It Sy web2 473words of Webster's 2nd International 474.It Sy papers/ 475reference databases; 476see 477.Xr refer 1 478.It Sy special/ 479custom word lists; 480see 481.Xr spell 1 482.El 483.Pp 484.It Sy doc/ 485miscellaneous documentation; source for most of the printed 486.Bx 4.3 487manuals (available 488from the 489.Tn USENIX 490association) 491.It Sy games/ 492text files used by various games 493.It Sy lkm/ 494documentation on the loadable kernel modules interface 495.It Sy man/ 496formatted manual pages 497.It Sy me/ 498macros for use with the 499.Xr me 7 500macro package 501.It Sy misc/ 502miscellaneous system-wide text files 503.Pp 504.Bl -tag -width "termcap" -compact 505.It Sy termcap 506terminal characteristics database; 507see 508.Xr termcap 5 509.El 510.Pp 511.It Sy mk/ 512include files for 513.Xr make 1 514.It Sy ms/ 515macros for use with the 516.Xr ms 7 517macro package 518.It Sy skel/ 519sample initialization files for new user accounts 520.It Sy tabset/ 521tab description files for a variety of terminals, used in 522the termcap file; 523see 524.Xr termcap 5 525.It Sy tmac/ 526text processing macros; 527see 528.Xr nroff 1 529and 530.Xr troff 1 531.It Sy zoneinfo/ 532timezone configuration information; 533see 534.Xr tzfile 5 535.El 536.Pp 537.El 538.Pp 539.It Sy /usr/src/ 540.Bx 4 541and local source files 542.Pp 543.Bl -tag -width "domestic/" -compact 544.It Sy bin/ 545source for utilities/files in 546.Pa /bin 547.It Sy distrib/ 548tools and data-files for making distributions 549.It Sy domestic/ 550source covered by US ITAR export restrictions 551.It Sy etc/ 552source (usually example files) for files in 553.Pa /etc 554.It Sy games/ 555source for utilities/files in 556.Pa /usr/games 557.It Sy include/ 558source for files in 559.Pa /usr/include 560.It Sy lib/ 561source for libraries in 562.Pa /usr/lib 563.It Sy libexec/ 564source for utilities/files in 565.Pa /usr/libexec 566.It Sy sbin/ 567source for utilities/files in 568.Pa /sbin 569.It Sy share/ 570source for files in 571.Pa /usr/share 572.Pp 573.Bl -tag -width "doc/" -compact 574.It Sy doc/ 575.Pp 576.Bl -tag -width "papers/" -compact 577.It Sy papers/ 578source for various Berkeley technical papers 579.It Sy psd/ 580source for Programmer's Supplementary Documents 581.It Sy smm/ 582source for System Manager's Manual 583.It Sy usd/ 584source for User's Supplementary Documents 585.Pp 586.El 587.El 588.It Sy sys/ 589kernel source files 590.Pp 591.Bl -tag -width "gdbscripts/" -compact 592.It Sy adosfs/ 593AmigaDOS file-system support; see 594.Xr mount_ados 8 595.It Sy arch/ 596.Pp 597.Bl -tag -width "powerpc/" -compact 598.It Sy alpha/ 599support for the Digital Equipment Corp. Alpha architecture 600.It Sy amiga/ 601support for the Amiga architecture 602.It Sy arc/ 603support for the ARC specification compliant systems. 604.It Sy arm26/ 605support for ARM2 and ARM3 based systems 606.It Sy arm32/ 607support for the ARM32 architecture 608.It Sy atari/ 609support for the Atari architecture 610.It Sy bebox/ 611support for the Be Inc. BeBox architecture 612.It Sy hp300/ 613support for the Hewlett-Packard 9000/300 68000-based workstations 614.It Sy i386/ 615support for the Intel 386/486/Pentium/etc. workstations 616.It Sy m68k/ 617general support for the 68000 processor 618.It Sy mac68k/ 619support for the Apple Computer 68000-based workstations 620.It Sy mips/ 621general support for MIPS architectures 622.It Sy mvme68k/ 623support for the VME 68000-based cards 624.It Sy pc532/ 625support for the pc532 architecture 626.It Sy pmax/ 627support for the MIPS-based DECstation architecture 628.It Sy powerpc/ 629support for the PowerPC architecture 630.It Sy sparc/ 631support for the Sun Microsystems SPARC architecture 632.It Sy sun3/ 633support for the Sun Microsystems 68000-based architecture 634.It Sy sun3x/ 635more support for the Sun Microsystems 68000-based architecture 636.It Sy vax/ 637Digital Equipment Corp. VAX architecture 638.It Sy x68k/ 639support for the x68k architecture 640.El 641.Pp 642.It Sy compat/ 643kernel compatibility modules directory 644.Pp 645.Bl -tag -width "ossaudio/" -compact 646.It Sy common/ 647common compatibility routines, old 648.Bx 4 649and 650.Nx 651routines. 652.It Sy freebsd/ 653support for 654.Fx 655binaries; see 656.Xr compat_freebsd 8 657.It Sy hpux/ 658support for 68000 HP-UX binaries 659.It Sy ibcs2/ 660support for Intel Binary binaries 661.It Sy linux/ 662support for Linux binaries; see 663.Xr compat_linux 8 664.It Sy m68k4k/ 665support for 4Kb page 68000 binaries 666.It Sy osf1/ 667support for 668.Tn Digital 669.Ux 670.Po 671formerly 672.Tn OSF/1 673.Pc 674binaries 675.It Sy ossaudio/ 676support for OSS audio 677.It Sy sunos/ 678support for 679.Tn SunOS 4.x 680binaries; see 681.Xr compat_sunos 8 682.It Sy svr4/ 683support for System V Release 4 binaries; see 684.Xr compat_svr4 8 685.It Sy ultrix/ 686support for 687.Tn Ultrix 688binaries 689.El 690.Pp 691.It Sy conf/ 692architecture independent configuration directory 693.It Sy ddb/ 694in kernel debugger 695.It Sy dev/ 696architecture independent device support 697.It Sy gdbscripts/ 698support for accessing kernel structures from within the debugger 699.Xr gdb 1 . 700.It Sy ipkdb/ 701support for kernel debugging over the network 702.It Sy isofs/ 703support for ISO filesystems 704.Pp 705.Bl -tag -width "cd9660/" -compact 706.It Sy cd9660/ 707support for the ISO-9660 filesystem; see 708.Xr mount_cd9660 8 709.El 710.Pp 711.It Sy kern/ 712support for the high kernel (system calls) 713.It Sy lib/ 714kernel libraries 715.Pp 716.Bl -tag -width "libkern/" -compact 717.It Sy libkern/ 718C library routines used in the kernel 719.It Sy libsa/ 720machine independant stand alone kernel library 721.It Sy libz/ 722compression library 723.El 724.Pp 725.It Sy lkm/ 726loadable kernel modules 727.Pp 728.Bl -tag -width "netinet/" -compact 729.It Sy compat/ 730LKM support compatibility modules; currently unsupported. 731.It Sy netinet/ 732LKM support networking modules 733.Pp 734.Bl -tag -width "if_ipl/" -compact 735.It Sy if_ipl/ 736LKM for IP-Filter 737.El 738.Pp 739.It Sy vfs/ 740LKM support for file systems. 741.El 742.Pp 743.It Sy miscfs/ 744miscellaneous file systems 745.Pp 746.Bl -tag -width "deadfs/" -compact 747.It Sy deadfs/ 748kernel only dead file system 749.It Sy fdesc/ 750file descriptor file system; see 751.Xr mount_fdesc 8 752.It Sy fifofs/ 753POSIX FIFO support 754.It Sy genfs/ 755kernel only generic file system 756.It Sy kernfs/ 757kernel namespace file system; see 758.Xr mount_kernfs 8 759.It Sy nullfs/ 760loop back file system; see 761.Xr mount_null 8 762.It Sy portal/ 763portal file system; see 764.Xr mount_portal 8 765.It Sy procfs/ 766process file system; see 767.Xr mount_procfs 8 768.It Sy specfs/ 769kernel only special file system 770.It Sy umapfs/ 771user and group re-mapping file system; see 772.Xr mount_umap 8 773.It Sy union/ 774union file system; see 775.Xr mount_union 8 776.El 777.Pp 778.It Sy msdosfs/ 779.Tn MS-DOS 780file system; see 781.Xr mount_msdos 8 782.It Sy net/ 783miscellaneous networking support 784.It Sy netccitt/ 785CCITT 786networking support 787.It Sy netinet/ 788TCP/IP networking support 789.It Sy netiso/ 790ISO 791networking support 792.It Sy netnatm/ 793ATM networking support 794.It Sy netns/ 795XNS networking support 796.It Sy nfs/ 797NFS support 798.It Sy stand/ 799kernel standalone support 800.It Sy sys/ 801kernel (and system) include files 802.It Sy ufs/ 803local filesystem support 804.Pp 805.Bl -tag -width "ffs/" -compact 806.It Sy ffs/ 807the Berkeley Fast File System 808.It Sy lfs/ 809the log-structured file system 810.It Sy mfs/ 811the in-memory file system 812.It Sy ufs/ 813shared 814.Ux 815file system support 816.El 817.It Sy vm/ 818virtual memory support 819.El 820.It Sy usr.bin/ 821source for utilities/files in 822.Pa /usr/bin 823.It Sy usr.sbin/ 824source for utilities/files in 825.Pa /usr/sbin 826.El 827.It Sy /var/ 828multi-purpose log, temporary, transient, and spool files 829.Pp 830.Bl -tag -width "preserve/" -compact 831.It Sy account/ 832system accounting files 833.Pp 834.Bl -tag -width "acct" -compact 835.It Sy acct 836execution accounting file; 837see 838.Xr acct 5 839.El 840.Pp 841.It Sy at/ 842timed command scheduling files; 843see 844.Xr at 1 845.It Sy backups/ 846miscellaneous backup files, largely of files found in 847.Pa /etc 848.It Sy crash/ 849system crash dumps; see 850.Xr savecore 8 851.It Sy db/ 852miscellaneous automatically generated system-specific database files 853.It Sy games/ 854miscellaneous game status and log files 855.It Sy log/ 856miscellaneous system log files 857.Pp 858.Bl -tag -width "monthly.out" -compact 859.It Sy amd.* 860.Xr amd 8 861logs 862.It Sy daily.out 863output of the last run of the 864.Pa /etc/daily 865script 866.It Sy ftp.* 867.Xr ftp 1 868logs 869.It Sy kerberos.* 870.Xr kerberos 1 871logs 872.It Sy lastlog 873system last time logged in log; see 874.Xr utmp 5 875.It Sy lpd-errs.* 876printer daemon error logs; see 877.Xr lpd 8 878.It Sy maillog.* 879.Xr sendmail 8 880log files 881.It Sy messages.* 882general system information log 883.It Sy monthly.out 884output of the last run of the 885.Pa /etc/monthly 886script 887.It Sy secure 888sensitive security information log 889.It Sy sendmail.st 890.Xr sendmail 8 891statistics 892.It Sy timed.* 893.Xr timed 8 894logs 895.It Sy weekly.out 896output of the last run of the 897.Pa /etc/weekly 898script 899.It Sy wtmp 900login/logout log; 901see 902.Xr utmp 5 903.El 904.Pp 905.It Sy mail/ 906user system mailboxes 907.It Sy msgs/ 908system messages; see 909.Xr msgs 1 910.\" since we use nvi (now called vi) this isn't the place any more, is it? 911.It Sy preserve/ 912temporary home of files preserved after an accidental death of 913.Xr ex 1 914or 915.Xr vi 1 916.It Sy quotas/ 917filesystem quota information 918.It Sy run/ 919system information files, rebuilt after each reboot 920.Pp 921.Bl -tag -width "utmp" -compact 922.It Sy utmp 923database of current users; see 924.Xr utmp 5 925.El 926.Pp 927.It Sy rwho/ 928rwho data files; see 929.Xr rwhod 8 , 930.Xr rwho 1 , 931and 932.Xr ruptime 1 933.It Sy spool/ 934miscellaneous printer and mail system spooling directories 935.Pp 936.Bl -tag -width "uucppublic/" -compact 937.It Sy ftp/ 938commonly 939.Dq ~ftp , 940the anonymous ftp root directory; see 941.Xr ftpd 8 942.It Sy mqueue/ 943undelivered mail queue; 944see 945.Xr sendmail 8 946.It Sy news/ 947Network news archival and spooling directories 948.It Sy output/ 949printer spooling directories 950.It Sy uucp/ 951uucp spool directory 952.It Sy uucppublic/ 953commonly 954.Dq ~uucp , 955the uucp public temporary directory; see 956.Xr uucp 1 957.El 958.Pp 959.It Sy tmp/ 960temporary files that are not discarded between system reboots 961.Pp 962.Bl -tag -width "vi.recover/" -compact 963.It Sy vi.recover/ 964recovery directory for new 965.Xr vi 1 966.El 967.El 968.El 969.Sh SEE ALSO 970.Xr apropos 1 , 971.Xr ls 1 , 972.Xr whatis 1 , 973.Xr whereis 1 , 974.Xr which 1 975.Sh HISTORY 976A 977.Nm 978manual page appeared in 979.At v7 . 980